1550

1,550 is an even composite number composed of three prime numbers multiplied together.

What does the number 1550 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

1550 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 1550:

2 × 5² × 31

(2 × 5 × 5 × 31)

See below for interesting mathematical facts about the number 1550 from the Numbermatics database.

Names of 1550

Cardinal: 1550 can be written as One thousand, five hundred fifty.

Scientific notation

Scientific notation: 1.55 × 10³

Factors of 1550

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 38

Divisors of 1550

Number of divisors d(n): 12
Complete list of divisors:
1 2 5 10 25 31 50 62 155 310 775 1550
Sum of all divisors σ(n): 2976
Sum of proper divisors (its aliquot sum) s(n): 1426
1550 is a deficient number, because the sum of its proper divisors (1426) is less than itself. Its deficiency is 124

Bases of 1550

Binary: 11000001110₂
Hexadecimal: 0x60E
Base-36: 172

Squares and roots of 1550

1550 squared (1550²) is 2402500
1550 cubed (1550³) is 3723875000
The square root of 1550 is 39.3700393701
The cube root of 1550 is 11.5729452725

Scales and comparisons

How big is 1550?

1,550 seconds is equal to 25 minutes, 50 seconds.
To count from 1 to 1,550 would take you about twenty-five minutes.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 1550 cubic inches would be around 1 feet tall.

Recreational maths with 1550

1550 backwards is 0551
The number of decimal digits it has is: 4
The sum of 1550's digits is 11
More coming soon!

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The information we have on file for 1550 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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